JPS61293146A - Axial gap type motor - Google Patents

Abstract

PURPOSE:To unnecessitate notch of a stator case for the connection, by connecting the stator coil of a printed coil to a motor drive substrate with external lead pins led through the printed coil. CONSTITUTION:A stator coil 12 is formed with a plurality of laminated circular printed coils 13, and the printed coils 13 are connected to a motor drive substrate 8 with external lead pins 14 led through the inner peripheral side of the printed coils 13. As a result, without providing notch on a stator case 3, the stator coil 12 can be connected to the motor drive substrate 8.

Description

[Detailed description of the invention] [Field of application of the invention] Off-axis light is axial gap type % Taishin (hereinafter referred to as .

'wax! This is related to ``A Shin''.

[Background of the invention]

^Figure 7 shows a conventional example of Dentairei. .

As shown in the same figure, lit! jJ! 1m is a vertical shaft 1. A bracket 2. is attached to one end of the shaft 1 via a cable holder, and a portion thereof extends in the radial direction of the shaft 1. A stator case 3 is provided on the 1/iii portion of this bracket 2 by a portion m' of the shaft 1. This stator case was provided in the shape of a flange on the shaft 1 of 3 yen, and the rotor yoke 4 was attached to the shaft 1 with a 4-piece assembly.

Circular rotating magnet 5. A circular delimiter coil 6 is provided below the rotating magnet 5 and oriented in the direction of the magnet Lg1. And I! i
One foot coil 6 is attached to the stator yoke 7 to the stator case 5.
At the same time, a motor dryer 8 connected to the stator coil 6 is provided at the bottom of the stiff stator yoke 7. In addition, in the PJ diagram, 9 is a position W bond issue.

The sensor 10 is a dry 7" IC.

The stator coil is shaped like this.

aKf flowing to 6, and rotating magnet 5 axis to this threshold.

The rotational torque is excellent due to the main magnetic force.

The stator coil 6 is also shown in Figure 8.

A plurality of coils are placed on the #I4 board 11 so that

The coil units 6a are arranged in a circular manner, and each coil unit 6a is arranged in a circular manner.
The winding start terminal 8 and the winding end terminal a are soldered to the land portion of the wiring pattern. 14 of wiring board 11
A land with a withdrawal pattern to the outside is contracted to I-Tokyo,
are arranged at approximately equal intervals.

ing. A part of this wiring && 11 drawer pattern section is connected to the motor drive board 8 which is in contact with a part of the stator yoke 7 through a part of the stator case 3 and is energized. -4@a's power collection location is provided at the bottom of the tiia child yoke 7 as described above.11J
If @ increases, you will be scolded. However, as mentioned above.

If you use a small wiring board 11, you will inevitably have to pull it out.

Stator tube to pass through the land part of the pattern.

- There is a need to cut out a part of the base 3 as mentioned above, and it has been reported that the provision of this notch causes performance deterioration such as an increase in the level of mechanical cracking and an increase in the level of noise. Ta.

(XA Ming's purpose) This A-mei was created in view of the above points.

Identifier coils and 7-pin coils can be connected without making a notch in the stator case.
It is an object of the present invention to provide an axial gear lug shaft that is 91i compatible with Tadraig.

[Overview of axes]

In other words, the Honcho Akira was attached to a vertical shaft and a part of the shaft was attached to the shaft.

and a racket whose female part extends in the radial direction of the shaft, and a stator bracket which is provided in a part of this bracket by extending a part 14'a' of the racket.

The ad shaft 1 in the stator case is provided in the shape of a flange, and the a-ta is attached to the shaft.

The tgl machining machine has a circular shape and is removed by using the yoke.

Under the magnet and this rotating magnet?

Tsu I! A circular garden facing the II pine magnet.

The stator coil is attached to the Su distribution stator case via the stator yoke.

At the same time, the lower part of this stator yoke is

This is an axial gap type electric motor equipped with a motor dryer 1 board that is connected to the Mae-Sho Goku Amago coil.

At MJ Shin, the front coil is formed from a plurality of laminated circular printed coils.

This printed coil and the motor dryer are pulled from the inner peripheral side of the printed coil.

The stator coil and the motor dryer 1 base, which are made up of printed coils, are the same as those of the printed coils.

It is connected by an external lead pin pulled out from the circumference.

The Komaing Province and others considered how to ensure that the goal of the next term was to capture only one clay. Printed coils can be used as stators and coils for small electric IIJs.

#r technology is used to reduce the size and thickness of electric sea breams.

It has been closed to 1. This print co.

As disclosed in U.S. Pat. No. 4,540,855, a double-sided coil is formed by a conductor pattern formed on the surface of an insulating sheet by plating or etching. this.

Layer multiple sheet-shaped printed coils together.

When used as a 2-layer or 3-phase ILLMJ coil, it is necessary to electrically connect the sheet-shaped printed coils that are rolled in multiple layers.

The praise is overwhelming. In this case, if you use a small-diameter plated shaft, etc., or connect it with M1 inside the coil, you can connect the stator coil consisting of a tint coil and the motor dryer without having to fit a notch in the stator case as in the conventional case. I was convinced that it could be connected to the board.

In the other side, the stator coil is formed by several circular 1/2 coils with a core layer, and the inner circumference of the parenthesis/printed coil and the motor drive At & and t1] is similar to the inner circumference of the lint coil and the external side drawn out. Connected with drawer/ready/.

Do it like this.

Identified how to fit the notch into the stator case.

Pleating the child coil and the motor dry base value.

A turtle with a rudder in its mouth! It is possible to outperform m-sensei.

[Embodiments of the invention]

The non-axial space will be explained below based on the embodiment shown in the figure. Figures 1 through 6 show Isshou Hakuin between the main axis.

Note that the same parts as in the conventional model are given the same reference numerals, so the symbol @8 is omitted. In this example, the stator coil 12 is formed from a plurality of circular printed coils 13 with a core layer, and this 1 degree lint coil 15 and motor drive IIA are connected to 7 degrees of the printed coils 13. Connection was made with an external lead pin 14 pulled out from the IIigll. By doing this, the magnetic coil 12 consisting of the printed coil 13 and the motor drives 4 & 8 are connected to the external lead pin 1 drawn out from the inner circumferential side of the printed coil 15.
(b) Connect the short coil 12° and the motor dryer 1 board 8 without fitting the notch in the stator case 3.

"Strong axial gear Y1 type 'II [D ridge (-1 figure.

) can be obtained.

In other words, there are a plurality of - core layers of the stator coil 12.

Formed with a circular printed coil 13 (see Figure 2)
However, the printed coil 13 was constructed as follows. ^
As shown in Figure 5 and Figure 4, a threaded coil 15 is placed on both sides of the insulating sheet. '16 is formed, but this hook-wound coil 150 portion and the portion 16 are rearranged so that they are cut through an insulating sheet. The spiral coils 15, 1 (S) are provided near the center of each spiral coil 15, 1 (S).

The parts such as the leads 17 and 18 are heat-dissipated by spot m connection, etc., and the hook-wound coils 15 and 16 facing each other are electrically connected.

This hook-wound coil 15 is commonly used as an IS.
Viscera.

For example, as shown in Figure 5, the road can be
% from the terminal 19 of the winding start terminal 19.
, cf) Proceed toward the center of the coil according to I@, and on the back side at the rough coal lands 17 and 18.

It is connected to the hook-wound coil 16, now shown in FIG.

Carp following the indicated arrows α, A, c.

Proceed from the center of Le to the Apocrypha, and on the right side
.

Move to the outside of the hook-wound coil.

Hereinafter, although not shown as 11t1, from the coil center to the center of the coil, from IL/in the coil to the center of the 1AIIIl coil, from the center of the fiillJ coil to the outer side of the coil,
Proceed in order from the outside of the coil to the outside of the adjacent coil...
'The terminal reaches the banagari terminal 20. By this li! il
This is a printed coil that operates as one phase of l stator coil. In Hatake 4 figure, 21 and 22 are in the coil.

It is a connecting terminal.

In Fig. 5, the sheet-like 1st coils 13α, 13b and 150 obtained in step 5 are shifted and rearranged by 120 degrees electrically in the direction of rotation of the vL sea bream.
The configuration is a 3-phase Ayurai molecule coil.

It is shown. This printed coil 15α, 13b
・The winding start terminals of 150 and 150 are also shown in figure 784・
Like, 4! There is a small hole 't' through which X is passed near the middle center of each terminal butter/land, and this small hole has a small diameter.

An external drawer lead made of tin-plated carp.

3 by inserting the V/14 and heating.

The demonic four lines that serve as the common end of the phase connection line are superior. .

Further, one side of the lead pin 14 for external extraction is left for convenient use as a lead for an external pillow. The valley end terminals of the seven lint coils 15a, 15 and 15c are electrically connected to each other by means of external lead pins 14 that pass through small holes provided near the center of each 1% terminal pattern land. In addition, one side of the valley lead pin 140 is left open for use as a lead for the 1,000 external IVCs of each phase. Incidentally, the spot common contact portion 25 is also shown in FIG.

As shown, the insulating sheet 24 is made Xs and the coil conductors 25, which are the upper and lower conductor patterns, are connected.

In this way, the motor dryer 1 board 8 is connected to the external lead pin 14 pulled out from the inner peripheral side of the °C printed coil 130.
and the 1st/to coil 13 were connected, so
Printed coil 16 and motorized l.

The Life 216i mold 8 is connected to the external lead pin 14, and the stator case 5 is connected to the conventional one.
The -m is notched, and the notch is gone.

The printed coil 13, that is, the stator coil 12, the motor drive metal plate 8, and the connection plate 1. .

can be done. In this way, since there is no notch in the 3° stator case, it is possible to reduce magnetic leakage and mechanical noise levels. You can make light of ll1fIA.

The lead pin provided on the inner periphery of the printed coil 13 in the casing can serve both as the skin-to-skin connection inside the printed coil 13 and as the lead pin 14 for external extraction, thereby reducing the cost of the S product.

[Effect between axes]

As described above, the present invention enables connection between the stator coil and the motor dryer 1 board without making a notch in the stator case. - It was possible to obtain an axial gear type electric motor IIJJ that made it possible to connect it to the drive board.

Ru.

[Brief explanation of drawings]

Figure 1 shows the axial gear luff type WIL drive. Figure 2 is a vertical cross-sectional view of one embodiment of the rock. The same is true for the printed coil shown in the example, @5. - Figure 4 is a plan view of the printed coil on the front side of the suitable example, Figure 4 is a plan view of the back side of the printed coil in Figure 5, and Figure 5 is the same (
-The plan view of each printed coil constituting the 5-phase Saba Iwao in the example -6 is the same <-. Central M? Fig. 7 is a vertical view of the printed coil of ll.
Vertical cross-sectional view of ffi's axial gap type Wl motive,
Figure 8 of Hatake is 1 of the conventional 7-kinial gear 1 type electric □ excitation! i
It is a flat 1 diagram of the 11-foot coil. 1...7y7t 2...Bracket 5...
・Stator case 4...Rotor yoke 5...Rotating magnet 7...Stator yoke 118...Motor dryer 1 board 9...Position detection sensor 10...Drive IC 1
2... Stator coils 13, 15 (t, 15b, 15C... Printed coil 14... External lead pin 15, 14... Hook-wound coil 17.18... Land for bath contact 19 ... Winding start terminal 2
0... Winding end terminal 23... Spot welding part
. 24... Insulating sheet 25... Coil conductor representative patent attorney 10 ^ 41 Akio, 1st figure 2 E 3rd figure 1,7 4th figure Chiang 5 figure 6 figure 7 figure 8 closed procedure amendment (Method) Description of the case Patent Application No. 230154 of 1980 Name of the invention Case of person who corrects axial gap type electric motor This relationship Patent Applicant Name Name
4510) Manufactured by Tsuji Hitachi Co., Ltd.
person

Claims (1)

[Scope of Claims] 1. A shaped shaft, a bracket attached to one end of this shaft via a bearing, and a part of which extends in the radial direction of the shaft, and a a stator case provided to cover one end of the shaft; a circular rotating magnet provided in the stator case in the form of a brim on the shaft and attached to the shaft via a rotor yoke; a circular stator coil disposed below and facing the rotating magnet, the stator coil being attached to the stator case via a stator yoke; and the stator yoke. In an axial gap type electric motor, a motor drive board connected to the stator coil is provided at the bottom of the motor, and the stator coil is formed from a plurality of laminated circular printed coils, and the printed coil and the motor drive board are connected to each other by external lead pins drawn out from the inner peripheral side of the printed coil. 2. The printed coil is formed by plating or etching a plurality of spiral coil conductors arranged and printed in a circular shape on both sides of an insulating sheet, and the windings of the spiral coil arranged in a circular shape. The axial gap type electric motor according to claim 1, wherein the start and end terminal portions are provided on the circumferential side, and the lead pin for external extraction is embedded in the start and end terminal portions. .